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Single-cell RNA-seq data of human PBMC from Myasthenia Gravis patients

GSE227835 Homo sapiens (human) Single-cell RNA-seq 40 samples Submitted 2024/04/03 Platform GPL28038
At a glance

Single-cell RNA-seq · human · 40 samples

What it is
Single-cell RNA-seqGene activity measured in thousands of individual cells, so cell types can be told apart.
Organism
Homo sapiens (human)
Samples
40 samples: 10 × AChR-positive MG vs 10 × Healthy control vs 10 × Seronegative MG pre-treatment vs 10 × Seronegative MG post-treatmentGroups are read from the sample names, not from the paper. Check the list below.
Data you can get
A processed table (series matrix) and supplementary files from NCBI; the raw sequencing reads from ENA. Which of these hold counts depends on the study, so check the file list.
Paper
B-cell immune dysregulation with low soluble CD22 levels in refractory seronegative myasthenia gravisFrontiers in immunology · 2024
Summary (written by the submitters)
Myasthenia Gravis (MG) is a chronic autoimmune disorder characterized by severe muscle weakness. However, the seronegative MG patient subgroup, which accounts for about 15% of MG patients, remains challenging diagnosis, and the immunopathology is understudied. Therefore, we performed single-cell RNA-sequencing analysis by peripheral blood and plasma proteome analysis for the seronegative MG patients.
Read the full summary ↓
Numerical abnormalities were observed in multiple immune cells including B-cells compared to healthy controls (HC) and correlated with disease activities. Additionally, plasma protein of CD22 that was reported to be expressed in the lineage of B-cell maturation, such as mature B-cells and memory B-cells was decreased compared to HC, and had correlation with disease severity, B-cells frequency, and the RNA expression level. These results suggest that the seronegative MG patients have immune disorders centered on B-cells. This is the first large-scale and innovative study to elucidate the immunopathology of the seronegative MG patients.
Published in
B-cell immune dysregulation with low soluble CD22 levels in refractory seronegative myasthenia gravis
Okuzono Y, Miyakawa S, Itou T et al. · Frontiers in immunology 2024 · PMID 38711503 · doi:10.3389/fimmu.2024.1382320
This dataset
Download · which file do I need?

Direct links to NCBI and ENA, no account and no request form. Pick by what you want to do: take the small processed table to look, the supplementary files to re-analyse, or the original raw data to start over.

1 · Just have a look

Processed table

The series matrix: one table of values per sample as the submitters processed it. The smallest download, and it opens in Excel or R. Start here to see what the data look like.

2 · Re-analyse it

Supplementary files

The count tables and other files the authors uploaded. Take only the samples you need, or the whole study as GSE227835_RAW.tar (it can run to tens of gigabytes).

3 · Start from the raw reads

Raw sequencing reads

The original FASTQ files, straight from the sequencer, held at ENA. Large, and you align them yourself, so only choose this if you need to re-process the study from scratch.

What the files usually look like: Single-cell studies usually ship their counts as 10x files (matrix.mtx, barcodes.tsv, features.tsv), an .h5 file, or an .rds / .h5ad object that Seurat or Scanpy can open. Look for those among the supplementary files.

Also filed as BioProject PRJNA964702 and SRA study SRP435413. Searching any of these in the dataset finder brings you back here.

Study design
10 × AChR-positive MG vs 10 × Healthy control vs 10 × Seronegative MG pre-treatment vs 10 × Seronegative MG post-treatment

Supports a between-group comparison across 40 samples.

How we read this: 4 replicated groups read from 40 sample titles; they account for 40 of them. These groups are guessed from the sample names, not taken from the paper, so check them against the sample list below before relying on them.

Samples in this study
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Metadata from NCBI GEO, cached and refreshed periodically — the NCBI page above is authoritative. Downloads link straight to NCBI/ENA; nothing is proxied through BioTransfer.